Hangzhou Open: Bu ousts Gaston in first round
The Chinese will play second seed Karen Khachanov in the next round

Chinese wildcard Yunchaokete Bu moved into the second round of the Hangzhou Open by winning against Frenchman Hugo Gaston 7-5, 6-3 at the Hengqin International Tennis Center on Thursday.
This is notably Bu’s only third win on the ATP Tour.
Bu, ranked No 124, will play second seed Karen Khachanov next.
Zhuhai ATP 250, other first-round results (Hengqin International Tennis Center, hard, USD 1.000.630, most recent results first):
- Zhizhen Zhang vs. Denis Yevseyev
- Aslan Karatsev vs. Mattia Bellucci
- James McCabe vs. Yasutaka Uchiyama
- Yibing Wu vs. Chak Lam Coleman Wong
- Corentin Moutet vs. Roberto Carballes Baena
- Alexander Shevchenko vs. Marco Trungelliti
- Rinky Hijikata beat Damir Dzumhur: 2-6, 7-6 (6), 6-2
- Yoshihito Nishioka (8) beat Maximilian Marterer: 6-4, 6-2
- Marin Cilic (WC) beat Zachary Svajda: 5-7, 6-3, 6-0
- Mikhail Kukushkin beat Luciano Darderi (5): 6-3, 6-4
- Fabian Marozsan (7) beat Luca Nardi: 6-0, 6-2